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प्रश्न
The component of a vector is
पर्याय
always less than its magnitude
always greater than its magnitude
always equal to its magnitude
None of these.
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उत्तर
None of these.
All the given options are incorrect. The component of a vector may be less than or equal to its magnitude, depending upon the vector and its components.
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संबंधित प्रश्न
“It is more important to have beauty in the equations of physics than to have them agree with experiments”. The great British physicist P. A. M. Dirac held this view. Criticize this statement. Look out for some equations and results in this book which strike you as beautiful.
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Choose the correct statements(s):
Choose the correct statements(s):
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Is a vector necessarily changed if it is rotated through an angle?
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Is the vector sum of the unit vectors \[\vec{i}\] and \[\vec{i}\] a unit vector? If no, can you multiply this sum by a scalar number to get a unit vector?
If \[\vec{A} \times \vec{B} = 0\] can you say that
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Give an example for which \[\vec{A} \cdot \vec{B} = \vec{C} \cdot \vec{B} \text{ but } \vec{A} \neq \vec{C}\].
Round the following numbers to 2 significant digits.
(a) 3472, (b) 84.16. (c)2.55 and (d) 28.5
